[flang-commits] [flang] [flang][OpenMP] Fix firstprivate not working with lastprivate in DO SIMD (PR #170163)

[Tom Eccles via flang-commits]

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@@ -0,0 +1,85 @@
+! Test for DO SIMD with the same variable in both firstprivate and lastprivate clauses
+! This tests the fix for issue #168306
+
+! RUN: %flang_fc1 -fopenmp -mmlir --enable-delayed-privatization-staging=true -emit-hlfir %s -o - | FileCheck %s
+
+! Test case 1: Basic test with firstprivate + lastprivate on same variable
+! CHECK-LABEL: func.func @_QPdo_simd_first_last_same_var
+subroutine do_simd_first_last_same_var()
+  integer :: a
+  integer :: i
+  a = 10
+
+  ! CHECK:      omp.wsloop
+  ! CHECK-SAME: private(@{{.*}}firstprivate{{.*}} %{{.*}} -> %[[FIRSTPRIV_A:.*]], @{{.*}}private{{.*}} %{{.*}} -> %[[PRIV_I:.*]] : !fir.ref<i32>, !fir.ref<i32>)
+  ! CHECK-NEXT: omp.simd
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tblah wrote:

nit: please could you add a `CHECK-SAME-NOT: private` to ensure privatization is not done for simd.

https://github.com/llvm/llvm-project/pull/170163